基蛋生物收盘上涨1.11%，滚动市盈率20.57倍，总市值41.54亿元

Group 1 - The core viewpoint of the articles highlights the performance and valuation of Jidan Biotechnology, which closed at 8.19 yuan with a rolling PE ratio of 20.57, marking a new low in 21 days, and a total market capitalization of 4.154 billion yuan [1] - The average PE ratio for the medical device industry is 51.40, with a median of 37.27, positioning Jidan Biotechnology at the 48th rank within the industry [1] - As of March 31, 2025, Jidan Biotechnology had 26,747 shareholders, a decrease of 451 from the previous count, with an average holding value of 352,800 yuan and an average shareholding of 27,600 shares [1] Group 2 - Jidan Biotechnology primarily engages in the research, production, sales, and service of in vitro diagnostic reagents and instruments, being a key supplier in the domestic in vitro diagnostic field, especially in the POCT sector [1] - The latest quarterly report for Q1 2025 shows that the company achieved a revenue of 244 million yuan, a year-on-year decrease of 24.08%, and a net profit of 64.31 million yuan, down 25.24%, with a gross margin of 77.15% [1] - The PE ratios of other companies in the industry range from 10.28 to 20.57, with Jidan Biotechnology's PE ratio being lower than the industry average and median [2]